Home / 985,900.48-1,360,542.72-533,191.36

Finding the Fourth Proportional to 985,900.48, 1,360,542.72 and 533,191.36

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Solution

The fourth proportional to 985,900.48, 1,360,542.72 and 533,191.36 is: 735,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,900.48 : 1,360,542.72 = 533,191.36 : x
  2. Step 2: Convert to fraction form
    985,900.48/1,360,542.72 = 533,191.36/x
  3. Step 3: Cross multiply
    985,900.48x = 1,360,542.72 × 533,191.36
  4. Step 4: Simplify right side
    985,900.48x = 725,429,623,214.90
  5. Step 5: Solve for x
    x = 725,429,623,214.90/985,900.48
  6. Step 6: Final answer
    x = 735,804.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.